The Makita 1/2 HP 1 Gallon Compact, Oil-Free, Electric Air Compressor (model MAC100Q) features a Quiet Series Design, combining strong performance with lower noise. At only 58 dBA, it's ideal for indoor use during case and base installation, trim and finish carpentry, cabinet or furniture making, and more. The MAC100Q runs at a lower RPM, resulting in longer motor and pump life.